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

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

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

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

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