1: (0 4 10)

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

2: (3 16 8)

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

3: (9 19 12)

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

4: (1 6 10)

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