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

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

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

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

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