C111113331333132322331333133313331323133313233213133313121111331313231311311   >>    C11111333133313232233133313331333132313331323321313331312111133131323131131   <<    C111113331333132322331333133313331323133313233213133313121111331313231311313   >>      C111113331333132322331333133313331323133313233213133313121111331313231311312   >>