C11112331312111112111133133313231333132313331332111133132323321   >>    C1111233131211111211113313331323133313231333133211113313232332   <<    C11112331312111112111133133313231333132313331332111133132323323   >>      C11112331312111112111133133313231333132313331332111133132323322   >>