{
  "kind": "rubiks-trainer-plan",
  "version": 1,
  "plan": {
    "name": "2-look PLL, then the whole set",
    "description": "The seven algorithms of 2-look PLL first \u2014 corners, then edges \u2014 and then the rest in the order they are worth learning: adjacent swaps, diagonal swaps, G perms last. PLL is where a twenty-second solver finds the easiest seconds.",
    "level": "intermediate",
    "estimated_minutes": 24,
    "config": {
      "version": 1,
      "goal": "Permute the last layer in two looks, then in one.",
      "adaptive": true,
      "blocks": [
        {
          "type": "drill",
          "title": "Corners first",
          "notes": "Aa, Ab and E. Learn to spot the pair of matching headlights before you decide which one it is.",
          "select": {
            "kind": "group",
            "limit": 3,
            "group": "corners-only",
            "phase": "pll"
          },
          "reps": 5,
          "hide_algorithm": false,
          "interleave": false,
          "order": "weakest_first",
          "target_seconds": 2.5
        },
        {
          "type": "drill",
          "title": "Then edges",
          "notes": "Ua, Ub, H and Z \u2014 the four shortest algorithms in PLL.",
          "select": {
            "kind": "group",
            "limit": 4,
            "group": "edges-only",
            "phase": "pll"
          },
          "reps": 5,
          "hide_algorithm": false,
          "interleave": false,
          "order": "weakest_first",
          "target_seconds": 2.0
        },
        {
          "type": "rest",
          "title": "Put the cube down",
          "seconds": 60,
          "notes": ""
        },
        {
          "type": "drill",
          "title": "Adjacent corner swaps",
          "notes": "Three at a time, weakest first. T and the two J perms come up constantly; get those before you touch F.",
          "select": {
            "kind": "group",
            "limit": 3,
            "group": "adjacent-corner-swap",
            "phase": "pll"
          },
          "reps": 6,
          "hide_algorithm": false,
          "interleave": false,
          "order": "weakest_first",
          "target_seconds": 2.5
        },
        {
          "type": "drill",
          "title": "Diagonal corner swaps",
          "notes": "No headlights anywhere: that is how you recognise them.",
          "select": {
            "kind": "group",
            "limit": 2,
            "group": "diagonal-corner-swap",
            "phase": "pll"
          },
          "reps": 6,
          "hide_algorithm": false,
          "interleave": false,
          "order": "weakest_first",
          "target_seconds": 3.0
        },
        {
          "type": "drill",
          "title": "G perms, last",
          "notes": "Two per session, never four. These are the ones that fall apart under pressure, and telling them apart is harder than executing them.",
          "select": {
            "kind": "group",
            "limit": 2,
            "group": "g-perms",
            "phase": "pll"
          },
          "reps": 6,
          "hide_algorithm": false,
          "interleave": false,
          "order": "weakest_first",
          "target_seconds": 3.5
        }
      ]
    }
  }
}