C312322331333132212111133133313331333131121132313231333131323121   >>    C31232233133313221211113313331333133313112113231323133313132312   <<    C312322331333132212111133133313331333131121132313231333131323123   >>      C312322331333132212111133133313331333131121132313231333131323122   >>