C11112331312111112111133133313231333132313331333132213331323221323221   >>    C1111233131211111211113313331323133313231333133313221333132322132322   <<    C11112331312111112111133133313231333132313331333132213331323221323223   >>      C11112331312111112111133133313231333132313331333132213331323221323222   >>