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

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

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

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

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