1: (0 2 15)

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

2: (1 21 5)

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

3: (2 19 6)

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

4: (13 20 16)

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