C312322331333132212111133133313331323133313221211111311312112121   >>    C31232233133313221211113313331333132313331322121111131131211212   <<    C312322331333132212111133133313331323133313221211111311312112123   >>      C312322331333132212111133133313331323133313221211111311312112122   >>