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

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

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

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

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