C132233133112121111331333133313331333132313231332113313331323312233231   >>    C13223313311212111133133313331333133313231323133211331333132331223323   <<    C132233133112121111331333133313331333132313231332113313331323312233233   >>      C132233133112121111331333133313331333132313231332113313331323312233232   >>