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

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

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

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

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