C11111211113313112113313331333133312111111211331323133313331322131132133322331   >>    C1111121111331311211331333133313331211111121133132313331333132213113213332233   <<    C11111211113313112113313331333133312111111211331323133313331322131132133322333   >>      C11111211113313112113313331333133312111111211331323133313331322131132133322332   >>