1: (0 7 13)

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

2: (1 21 10)

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

3: (0 9 3)

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

4: (2 8 4)

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