C1111233131211111211113313331323133313231333133312111111331322331323132311321   >>    C111123313121111121111331333132313331323133313331211111133132233132313231132   <<    C1111233131211111211113313331323133313231333133312111111331322331323132311323   >>      C1111233131211111211113313331323133313231333133312111111331322331323132311322   >>