C312322331333132212111133133313331323133313221211111231211111332223311   >>    C31232233133313221211113313331333132313331322121111123121111133222331   <<    C312322331333132212111133133313331323133313221211111231211111332223313   >>      C312322331333132212111133133313331323133313221211111231211111332223312   >>