1: (0 2 12)

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

2: (1 19 3)

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

3: (2 14 4)

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

4: (10 15 13)

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