C312322331333132212111133133313331323132322331333131133132231231   >>    C31232233133313221211113313331333132313232233133313113313223123   <<    C312322331333132212111133133313331323132322331333131133132231233   >>      C312322331333132212111133133313331323132322331333131133132231232   >>