1: (0 2 15)

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

2: (1 20 13)

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

3: (4 15 21)

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

4: (2 17 5)

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