1: (1 12 15)

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

2: (10 20 14)

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

3: (0 19 3)

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

4: (7 12 17)

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