1: (1 16 20)

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

2: (0 19 8)

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

3: (7 18 14)

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

4: (1 16 20)

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