1: (0 1 5)

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

2: (5 18 20)

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

3: (17 21 19)

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

4: (1 20 12)

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