C11112331333132311331333133313331333132311213331333133312111111321131   >>    C1111233133313231133133313331333133313231121333133313331211111132113   <<    C11112331333132311331333133313331333132311213331333133312111111321133   >>      C11112331333132311331333133313331333132311213331333133312111111321132   >>