1: (0 2 15)

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

2: (1 21 4)

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

3: (2 20 6)

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

4: (5 17 13)

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