1: (0 2 6)

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

2: (1 14 3)

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

3: (6 18 20)

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

4: (17 21 19)

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