1: (0 7 15)

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

2: (6 18 8)

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

3: (7 17 13)

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

4: (10 16 14)

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