C111113331333132322331333133313331333133313112331333131133131121121   >>    C11111333133313232233133313331333133313331311233133313113313112112   <<    C111113331333132322331333133313331333133313112331333131133131121123   >>      C111113331333132322331333133313331333133313112331333131133131121122   >>