C1111121111331311211331333133313331333133313231333133313311211111133132323321   >>    C111112111133131121133133313331333133313331323133313331331121111113313232332   <<    C1111121111331311211331333133313331333133313231333133313311211111133132323323   >>      C1111121111331311211331333133313331333133313231333133313311211111133132323322   >>