C111113331333132322331333133313331311331312111111331313231312311   >>    C11111333133313232233133313331333131133131211111133131323131231   <<    C111113331333132322331333133313331311331312111111331313231312313   >>      C111113331333132322331333133313331311331312111111331313231312312   >>