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

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

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

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

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