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

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

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

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

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