C312322331333132212111133133313331323132322331333132333131133132321121   >>    C31232233133313221211113313331333132313232233133313233313113313232112   <<    C312322331333132212111133133313331323132322331333132333131133132321123   >>      C312322331333132212111133133313331323132322331333132333131133132321122   >>