C1111233131211111211113313331323133313231323223313232233132312331   >>    C111123313121111121111331333132313331323132322331323223313231233   <<    C1111233131211111211113313331323133313231323223313232233132312333   >>      C1111233131211111211113313331323133313231323223313232233132312332   >>