1: (0 8 15)

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

2: (13 15 18)

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

3: (11 16 14)

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

4: (8 17 15)

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