1: (0 6 15)

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

2: (5 18 7)

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

3: (14 19 17)

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

4: (4 20 15)

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