1: (0 3 7)

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

2: (1 21 4)

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

3: (3 12 6)

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

4: (2 9 5)

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