C312322331333132212111133133313331323133313221211111231211111221111   >>    C31232233133313221211113313331333132313331322121111123121111122111   <<    C312322331333132212111133133313331323133313221211111231211111221113   >>      C312322331333132212111133133313331323133313221211111231211111221112   >>