C312322331333132212111133133313331312111133132313113313231323222333133312231   >>    C31232233133313221211113313331333131211113313231311331323132322233313331223   <<    C312322331333132212111133133313331312111133132313113313231323222333133312233   >>      C312322331333132212111133133313331312111133132313113313231323222333133312232   >>