C132233133112121111331333133313331333132313231332113313233211321   >>    C13223313311212111133133313331333133313231323133211331323321132   <<    C132233133112121111331333133313331333132313231332113313233211323   >>      C132233133112121111331333133313331333132313231332113313233211322   >>