C132233133112121111331333133313231333133313231133132322331322222321   >>    C13223313311212111133133313331323133313331323113313232233132222232   <<    C132233133112121111331333133313231333133313231133132322331322222323   >>      C132233133112121111331333133313231333133313231133132322331322222322   >>