1: (0 2 12)

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

2: (1 21 3)

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

3: (2 19 4)

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

4: (9 20 15)

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