C312322331333132212111133133313331323133313221211111122213223111   >>    C31232233133313221211113313331333132313331322121111112221322311   <<    C312322331333132212111133133313331323133313221211111122213223113   >>      C312322331333132212111133133313331323133313221211111122213223112   >>