C111112111133131121133133313331333133313331323133313331323121111132321   >>    C11111211113313112113313331333133313331333132313331333132312111113232   <<    C111112111133131121133133313331333133313331323133313331323121111132323   >>      C111112111133131121133133313331333133313331323133313331323121111132322   >>