1: (0 3 12)

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

2: (2 18 5)

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

3: (1 20 16)

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

4: (12 15 19)

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