C132233133112121111331333133313231333133313231212111113232212331   >>    C13223313311212111133133313331323133313331323121211111323221233   <<    C132233133112121111331333133313231333133313231212111113232212333   >>      C132233133112121111331333133313231333133313231212111113232212332   >>