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

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

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

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

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