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

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

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

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

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