1: (2 13 20)

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

2: (0 19 6)

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

3: (2 13 20)

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

4: (1 17 4)

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