1: (1 7 12)

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

2: (5 16 11)

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

3: (2 10 14)

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

4: (13 18 15)

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