C11112331333132311331333132313331333133313233111211113313133112323331   >>    C1111233133313231133133313231333133313331323311121111331313311232333   <<    C11112331333132311331333132313331333133313233111211113313133112323333   >>      C11112331333132311331333132313331333133313233111211113313133112323332   >>