1: (0 1 7)

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

2: (1 8 15)

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

3: (2 21 13)

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

4: (7 20 10)

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