1: (0 2 15)

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

2: (1 21 5)

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

3: (4 20 6)

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

4: (3 15 17)

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