1: (0 1 7)

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

2: (5 7 20)

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

3: (2 8 6)

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

4: (1 19 7)

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