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

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

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

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

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