C312322331333132212111133133313331323133313221211111333132333131123313112122311   >>    C31232233133313221211113313331333132313331322121111133313233313112331311212231   <<    C312322331333132212111133133313331323133313221211111333132333131123313112122313   >>      C312322331333132212111133133313331323133313221211111333132333131123313112122312   >>