C1111233133313231133133313331333133313231312111133131133131321323311   >>    C111123313331323113313331333133313331323131211113313113313132132331   <<    C1111233133313231133133313331333133313231312111133131133131321323313   >>      C1111233133313231133133313331333133313231312111133131133131321323312   >>