1: (3 8 20)

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

2: (0 19 7)

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

3: (3 8 20)

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

4: (2 9 6)

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