1: (0 1 7)

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

2: (5 7 19)

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

3: (2 8 6)

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

4: (1 15 7)

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