C1111233131211111211113313331323133313231323223313232233131333131311   >>    C111123313121111121111331333132313331323132322331323223313133313131   <<    C1111233131211111211113313331323133313231323223313232233131333131313   >>      C1111233131211111211113313331323133313231323223313232233131333131312   >>