C312322331333132212111133133313113313331313231333131121131233131   >>    C31232233133313221211113313331311331333131323133313112113123313   <<    C312322331333132212111133133313113313331313231333131121131233133   >>      C312322331333132212111133133313113313331313231333131121131233132   >>