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

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

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

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

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