1: (1 11 15)

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

2: (1 3 7)

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

3: (2 19 4)

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

4: (0 8 6)

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