C132233133112121111331333133313331333132313231332113313331323232131221   >>    C13223313311212111133133313331333133313231323133211331333132323213122   <<    C132233133112121111331333133313331333132313231332113313331323232131223   >>      C132233133112121111331333133313331333132313231332113313331323232131222   >>