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

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

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

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

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