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

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

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

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

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