1: (0 1 3)

(0)(1 20 12 9 3 7 2)(4 15 13 10 5)(6 11 8)(14 18 16)(17 21 19)

2: (3 7 9)

(0)(1 20 12 9 2)(3)(4 15 13 10 5)(6 11 8)(7)(14 18 16)(17 21 19)

3: (6 11 8)

(0)(1 20 12 9 2)(3)(4 15 13 10 5)(6)(7)(8)(11)(14 18 16)(17 21 19)

4: (5 13 10)

(0)(1 20 12 9 2)(3)(4 15 13)(5)(6)(7)(8)(10)(11)(14 18 16)(17 21 19)