C1111233133313231133133313133313331323133313221211113313232322331312131   >>    C111123313331323113313331313331333132313331322121111331323232233131213   <<    C1111233133313231133133313133313331323133313221211113313232322331312133   >>      C1111233133313231133133313133313331323133313221211113313232322331312132   >>