1: (0 1 17)

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

2: (5 17 20)

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

3: (1 19 12)

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

4: (4 15 7)

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