C312322331333132212111133133313331323133313221211331333133313311232313112311   >>    C31232233133313221211113313331333132313331322121133133313331331123231311231   <<    C312322331333132212111133133313331323133313221211331333133313311232313112313   >>      C312322331333132212111133133313331323133313221211331333133313311232313112312   >>