C312322331333132212111133133313331312111133132321123231323132321   >>    C31232233133313221211113313331333131211113313232112323132313232   <<    C312322331333132212111133133313331312111133132321123231323132323   >>      C312322331333132212111133133313331312111133132321123231323132322   >>