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

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

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

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

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