C11112331312111112111133133313231333132313331333132322331333133322311   >>    C1111233131211111211113313331323133313231333133313232233133313332231   <<    C11112331312111112111133133313231333132313331333132322331333133322313   >>      C11112331312111112111133133313231333132313331333132322331333133322312   >>