C31232233133313221211113313331333132322331322331323133313231312321   >>    C3123223313331322121111331333133313232233132233132313331323131232   <<    C31232233133313221211113313331333132322331322331323133313231312323   >>      C31232233133313221211113313331333132322331322331323133313231312322   >>