C111113331333132322331333133313331333133313221333133313331313231221   >>    C11111333133313232233133313331333133313331322133313331333131323122   <<    C111113331333132322331333133313331333133313221333133313331313231223   >>      C111113331333132322331333133313331333133313221333133313331313231222   >>