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

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

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

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

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