1: (0 1 15)

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

2: (2 15 20)

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

3: (7 21 19)

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

4: (6 16 14)

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