1: (2 7 21)

(0 20 5)(1 12 3)(2)(4 9 6)(7 23 21 11 8)(10 15 13)(14 18 16)(17 22 19)

2: (0 20 5)

(0)(1 12 3)(2)(4 9 6)(5)(7 23 21 11 8)(10 15 13)(14 18 16)(17 22 19)(20)

3: (4 9 6)

(0)(1 12 3)(2)(4)(5)(6)(7 23 21 11 8)(9)(10 15 13)(14 18 16)(17 22 19)(20)

4: (8 21 11)

(0)(1 12 3)(2)(4)(5)(6)(7 23 21)(8)(9)(10 15 13)(11)(14 18 16)(17 22 19)(20)