1: (4 11 20)

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

2: (1 19 10)

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

3: (0 7 11)

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

4: (6 18 8)

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