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

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

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

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

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