1: (0 11 18)

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

2: (6 20 15)

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

3: (10 16 13)

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

4: (7 11 19)

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