C132233133112121111331333133313331333132313231332113313331313312321   >>    C13223313311212111133133313331333133313231323133211331333131331232   <<    C132233133112121111331333133313331333132313231332113313331313312323   >>      C132233133112121111331333133313331333132313231332113313331313312322   >>