C11111333133313232233133313331333133313231312111133121111332232113233231   >>    C1111133313331323223313331333133313331323131211113312111133223211323323   <<    C11111333133313232233133313331333133313231312111133121111332232113233233   >>      C11111333133313232233133313331333133313231312111133121111332232113233232   >>