C132233133112121111331333133313331333132313231332113313331323232131122211   >>    C13223313311212111133133313331333133313231323133211331333132323213112221   <<    C132233133112121111331333133313331333132313231332113313331323232131122213   >>      C132233133112121111331333133313331333132313231332113313331323232131122212   >>