C132233133112121111331333133313331333132313231332113313331333132222321221   >>    C13223313311212111133133313331333133313231323133211331333133313222232122   <<    C132233133112121111331333133313331333132313231332113313331333132222321223   >>      C132233133112121111331333133313331333132313231332113313331333132222321222   >>