(0 18 15)(1 5 3)(2 20 19)(4 10 8)(6 21 7)(9 22 17 13 11)(12 16 14)
ALLOWS (11/8)-SEQUENCE
1: (0 6 15)

(0)(1 5 3)(2 20 19)(4 10 8)(6 18 15 21 7)(9 22 17 13 11)(12 16 14)
2: (7 15 21)

(0)(1 5 3)(2 20 19)(4 10 8)(6 18 15)(7)(9 22 17 13 11)(12 16 14)(21)
3: (13 22 17)

(0)(1 5 3)(2 20 19)(4 10 8)(6 18 15)(7)(9 22 11)(12 16 14)(13)(17)(21)
4: (12 16 14)

(0)(1 5 3)(2 20 19)(4 10 8)(6 18 15)(7)(9 22 11)(12)(13)(14)(16)(17)(21)