1: (0 2 8)

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

2: (1 21 3)

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

3: (2 19 4)

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

4: (6 20 15)

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