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

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

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

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

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