C132233133112121111331333133313231333133313231323221211111133133313112131   >>    C13223313311212111133133313331323133313331323132322121111113313331311213   <<    C132233133112121111331333133313231333133313231323221211111133133313112133   >>      C132233133112121111331333133313231333133313231323221211111133133313112132   >>