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

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

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

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

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