1: (0 1 18)

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

2: (3 18 21)

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

3: (2 19 8)

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

4: (1 20 18)

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