C132233133112121111331333133313231333133313231133131211111222321   >>    C13223313311212111133133313331323133313331323113313121111122232   <<    C132233133112121111331333133313231333133313231133131211111222323   >>      C132233133112121111331333133313231333133313231133131211111222322   >>