1: (0 6 17)

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

2: (2 20 12)

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

3: (1 7 4)

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

4: (6 19 8)

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