1: (0 1 3)

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

2: (3 18 20)

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

3: (17 21 19)

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

4: (1 20 16)

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