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

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

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

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

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