1: (2 9 20)

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

2: (0 19 6)

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

3: (2 9 20)

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

4: (1 17 4)

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