1: (2 16 20)

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

2: (0 19 7)

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

3: (2 16 20)

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

4: (1 18 4)

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