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

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

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

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

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