C132233133112121111331333133313331333132313231332113313221233231   >>    C13223313311212111133133313331333133313231323133211331322123323   <<    C132233133112121111331333133313331333132313231332113313221233233   >>      C132233133112121111331333133313331333132313231332113313221233232   >>