1: (0 1 2)

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

2: (5 9 20)

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

3: (3 11 6)

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

4: (7 12 10)

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