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

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

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

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

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