C111113331333132322331333133313331323133313233213133313222233112331   >>    C11111333133313232233133313331333132313331323321313331322223311233   <<    C111113331333132322331333133313331323133313233213133313222233112333   >>      C111113331333132322331333133313331323133313233213133313222233112332   >>