C1111233133313231133133313331333132313331323113121111331311331333132221211321   >>    C111123313331323113313331333133313231333132311312111133131133133313222121132   <<    C1111233133313231133133313331333132313331323113121111331311331333132221211323   >>      C1111233133313231133133313331333132313331323113121111331311331333132221211322   >>