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

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

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

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

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