1: (2 17 20)

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

2: (0 19 6)

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

3: (2 17 20)

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

4: (1 16 4)

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