1: (1 5 8)

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

2: (4 12 6)

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

3: (3 16 8)

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

4: (10 19 13)

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