C111113331333132322331333133313331323133313233213133313231311331313331211   >>    C11111333133313232233133313331333132313331323321313331323131133131333121   <<    C111113331333132322331333133313331323133313233213133313231311331313331213   >>      C111113331333132322331333133313331323133313233213133313231311331313331212   >>