1: (0 5 12)

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

2: (4 19 6)

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

3: (5 15 7)

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

4: (11 17 14)

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