C111113331333132322331333133313331323133313233213133313331311312111113123231   >>    C11111333133313232233133313331333132313331323321313331333131131211111312323   <<    C111113331333132322331333133313331323133313233213133313331311312111113123233   >>      C111113331333132322331333133313331323133313233213133313331311312111113123232   >>