1: (0 7 18)

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

2: (1 21 10)

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

3: (6 16 8)

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

4: (1 7 20)

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