1: (0 1 17)

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

2: (5 17 21)

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

3: (2 19 10)

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

4: (4 15 6)

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