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

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

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

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

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