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

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

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

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

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