1: (1 3 12)

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

2: (0 6 2)

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

3: (5 20 8)

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

4: (1 4 17)

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