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

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

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

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

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