1: (1 6 7)

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

2: (5 19 6)

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

3: (0 10 2)

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

4: (3 20 17)

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