C11112331333132311331333133313331333132311213331333133312111111331333221   >>    C1111233133313231133133313331333133313231121333133313331211111133133322   <<    C11112331333132311331333133313331333132311213331333133312111111331333223   >>      C11112331333132311331333133313331333132311213331333133312111111331333222   >>