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

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

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

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

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