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

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

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

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

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