C312322331333132212111133133313331333131133113312111113331311121   >>    C31232233133313221211113313331333133313113311331211111333131112   <<    C312322331333132212111133133313331333131133113312111113331311123   >>      C312322331333132212111133133313331333131133113312111113331311122   >>