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

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

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

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

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