1: (9 10 19)

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

2: (0 5 10)

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

3: (4 20 6)

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

4: (5 19 8)

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