C132233133112121111331333133313231333133313231323221211111313311   >>    C13223313311212111133133313331323133313331323132322121111131331   <<    C132233133112121111331333133313231333133313231323221211111313313   >>      C132233133112121111331333133313231333133313231323221211111313312   >>