1: (2 18 20)

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

2: (0 19 6)

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

3: (2 18 20)

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

4: (1 16 4)

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