1: (0 1 2)

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

2: (2 8 20)

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

3: (1 18 7)

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

4: (16 21 19)

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