C11112331333132311331333133313331333132311213331333133312111113321   >>    C1111233133313231133133313331333133313231121333133313331211111332   <<    C11112331333132311331333133313331333132311213331333133312111113323   >>      C11112331333132311331333133313331333132311213331333133312111113322   >>