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

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

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

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

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