1: (0 3 9)

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

2: (2 21 5)

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

3: (4 11 6)

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

4: (1 5 9)

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