1: (0 7 10)

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

2: (6 11 9)

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

3: (5 18 10)

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

4: (1 19 16)

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