1: (0 1 17)

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

2: (7 17 21)

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

3: (6 19 14)

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

4: (1 20 17)

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