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

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

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

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

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