1: (1 6 8)

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

2: (5 11 7)

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

3: (4 20 8)

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

4: (0 19 9)

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