(0 20 13)(1 6 3)(2 22 19)(4 17 15)(5 14 12 10 7)(8 11 9)(16 21 18)
ALLOWS (11/8)-SEQUENCE
1: (0 4 13)

(0)(1 6 3)(2 22 19)(4 20 13 17 15)(5 14 12 10 7)(8 11 9)(16 21 18)
2: (13 17 20)

(0)(1 6 3)(2 22 19)(4 20 15)(5 14 12 10 7)(8 11 9)(13)(16 21 18)(17)
3: (16 21 18)

(0)(1 6 3)(2 22 19)(4 20 15)(5 14 12 10 7)(8 11 9)(13)(16)(17)(18)(21)
4: (4 20 15)

(0)(1 6 3)(2 22 19)(4)(5 14 12 10 7)(8 11 9)(13)(15)(16)(17)(18)(20)(21)