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

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

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

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

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