1: (0 5 12)

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

2: (4 20 9)

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

3: (3 7 12)

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

4: (6 11 8)

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