C1111233131211111211113313331323133313231323211331323133313332322321   >>    C111123313121111121111331333132313331323132321133132313331333232232   <<    C1111233131211111211113313331323133313231323211331323133313332322323   >>      C1111233131211111211113313331323133313231323211331323133313332322322   >>