1: (0 1 2)

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

2: (1 15 17)

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

3: (13 18 16)

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

4: (10 19 17)

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