1: (0 2 10)

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

2: (1 20 6)

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

3: (5 11 9)

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

4: (0 21 19)

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