C312322331333132212111133133313331333131133113312111133131333121   >>    C31232233133313221211113313331333133313113311331211113313133312   <<    C312322331333132212111133133313331333131133113312111133131333123   >>      C312322331333132212111133133313331333131133113312111133131333122   >>