1: (0 1 2)

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

2: (2 16 20)

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

3: (9 21 19)

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

4: (1 20 8)

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