1: (0 5 12)

(0 10 8)(1 6 4)(2 19 16 13 11)(3 21 20)(5 14 12 9 7)(15 18 17)

2: (2 19 11)

(0 10 8)(1 6 4)(2)(3 21 20)(5 14 12 9 7)(11 16 13)(15 18 17)(19)

3: (1 6 4)

(0 10 8)(1)(2)(3 21 20)(4)(5 14 12 9 7)(6)(11 16 13)(15 18 17)(19)

4: (5 14 7)

(0 10 8)(1)(2)(3 21 20)(4)(5)(6)(7 12 9)(11 16 13)(14)(15 18 17)(19)