1: (0 1 3)

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

2: (1 17 19)

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

3: (16 20 18)

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

4: (14 21 19)

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