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

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

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

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

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