1: (7 11 18)

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

2: (1 3 18)

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

3: (0 5 2)

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

4: (10 19 17)

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