1: (6 11 15)

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

2: (2 11 16)

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

3: (10 18 13)

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

4: (14 19 17)

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