C132233133112121111331333133313331333132313231332113313331323232212321   >>    C13223313311212111133133313331333133313231323133211331333132323221232   <<    C132233133112121111331333133313331333132313231332113313331323232212323   >>      C132233133112121111331333133313331333132313231332113313331323232212322   >>