C132233133112121111331333133313331333132313231332113313233211113313131   >>    C13223313311212111133133313331333133313231323133211331323321111331313   <<    C132233133112121111331333133313331333132313231332113313233211113313133   >>      C132233133112121111331333133313331333132313231332113313233211113313132   >>