C111113331333132322331333133313331323133313233213133313113313331313233113331   >>    C11111333133313232233133313331333132313331323321313331311331333131323311333   <<    C111113331333132322331333133313331323133313233213133313113313331313233113333   >>      C111113331333132322331333133313331323133313233213133313113313331313233113332   >>