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

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

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

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

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