1: (0 8 12)

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

2: (3 13 11)

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

3: (7 14 9)

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

4: (6 20 12)

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