C132233133112121111331333133313331323221323221211113313231312111   >>    C13223313311212111133133313331333132322132322121111331323131211   <<    C132233133112121111331333133313331323221323221211113313231312113   >>      C132233133112121111331333133313331323221323221211113313231312112   >>