C21221212121211331313233313131133132312111133131322331323231323311   >>    C2122121212121133131323331313113313231211113313132233132323132331   <<    C21221212121211331313233313131133132312111133131322331323231323313   >>      C21221212121211331313233313131133132312111133131322331323231323312   >>