C312322331333132212111133133313331333131133113312111113331123231   >>    C31232233133313221211113313331333133313113311331211111333112323   <<    C312322331333132212111133133313331333131133113312111113331123233   >>      C312322331333132212111133133313331333131133113312111113331123232   >>