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

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

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

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

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