1: (0 6 16)

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

2: (1 19 8)

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

3: (5 9 7)

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

4: (4 20 16)

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