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

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

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

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

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