C312322331333132212111133133313331312111133132313331333131123313231311121   >>    C31232233133313221211113313331333131211113313231333133313112331323131112   <<    C312322331333132212111133133313331312111133132313331333131123313231311123   >>      C312322331333132212111133133313331312111133132313331333131123313231311122   >>