1: (6 11 15)

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

2: (10 19 11)

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

3: (9 16 12)

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

4: (5 13 7)

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