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