C11112331312111112111133132313331333133313232213231323131133133313221323131   >>    C1111233131211111211113313231333133313331323221323132313113313331322132313   <<    C11112331312111112111133132313331333133313232213231323131133133313221323133   >>      C11112331312111112111133132313331333133313232213231323131133133313221323132   >>