1: (0 3 12)

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

2: (7 13 19)

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

3: (12 21 17)

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

4: (14 20 18)

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