1: (0 7 16)

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

2: (5 17 15)

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

3: (4 8 6)

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

4: (11 19 16)

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