1: (0 2 16)

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

2: (4 16 21)

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

3: (2 20 7)

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

4: (3 9 6)

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