C11112331333132311331333133313331323133313231131211113313331323222323321   >>    C1111233133313231133133313331333132313331323113121111331333132322232332   <<    C11112331333132311331333133313331323133313231131211113313331323222323323   >>      C11112331333132311331333133313331323133313231131211113313331323222323322   >>