C31321211111333132331211113313331333133313331333132311233132221   >>    C3132121111133313233121111331333133313331333133313231123313222   <<    C31321211111333132331211113313331333133313331333132311233132223   >>      C31321211111333132331211113313331333133313331333132311233132222   >>