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

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

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

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

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