C31232233133313221211113313331323133313233313233313231333132223121   >>    C3123223313331322121111331333132313331323331323331323133313222312   <<    C31232233133313221211113313331323133313233313233313231333132223123   >>      C31232233133313221211113313331323133313233313233313231333132223122   >>