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

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

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

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

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