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

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

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

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

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