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

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

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

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

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